#app {
    width: 800px;
    margin: 0 auto;

    .post {
        width: 150px;
        height: 30px;
        background-color: green;
        text-align: center;
        line-height: 30px;
        border-radius: 5px;
        margin-top: 30px;
        margin-bottom: 20px;
        cursor: pointer;

    }

    .plate-wrap {
        width: 400px;
        padding: 10px;
        border: 1px solid #ddd;
        margin: 30px 0 0 30px;
        display: none;

        .headline {
            input {
                width: 300px;
                padding: 5px;
                outline: none;
                border: 1px solid #ddd;
            }

        }

        .plate {
            select {
                width: 150px;
                padding: 5px;
                margin-top: 10px;
                border: 1px solid #ddd;
            }
        }

        textarea {
            margin-top: 10px;
            width: 300px;
            outline: none;
            border: 1px solid #ddd;
        }

        .post-end {
            width: 100px;
            height: 30px;
            background-color: green;
            text-align: center;
            line-height: 30px;
            border-radius: 5px;
            margin-top: 20px;
            margin-left: 20px;
            cursor: pointer;
        }
    }
}